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Rosario Scopelliti

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Related publications (393)

Synthesis, characterisation and biological properties of gold(iii) compounds with modified bipyridine and bipyridylamine ligands

Michael Graetzel, Shaik Mohammed Zakeeruddin, Rosario Scopelliti, Paul Joseph Dyson, Angela Casini, Mariam-Céline Diawara

Square planar gold(iii) complexes that contain functionalised bipyridine ligands of general formula [Au(NN)Cl2][PF6] [where NN = 2,2'-bipyridine, 4,4'-dimethyl-2,2'-bipyridine, 4,4'-dimethoxy-2,2'-bipyridine and 4,4'-diamino-2,2'-bipyridine] have been prep ...

Royal Society of Chemistry2010

Combining Metallasupramolecular Chemistry with Dynamic Covalent Chemistry: Synthesis of Large Molecular Cages

Kay Severin, Rosario Scopelliti, Anton Granzhan

Ru-built cube: By combining metallasupramolecular chemistry with dynamic covalent chemistry, complex nanostructures can be formed. Large cages are synthesized by reaction of trinuclear metallamacrocycles containing pendant aldehyde groups. ...

Wiley-VCH Verlag GmbH2010

Use of Perfluorinated Phosphines to Provide Thermomorphic Anticancer Complexes for Heat-Based Tumor Targeting

Rosario Scopelliti, Paul Joseph Dyson, Anna Katherine Renfrew

[Ru(η6-arene)(pta)(PR3)Cl]BF4 (arene = p-cymene or 4-phenyl-2-butanol; pta = 1,3,5-triaza-7-phosphatricyclo[3.3.1.1]decane, PR3 = PPh2(p-C6H4C2H4C8F17), PPh(p-C6H4C2H4C8F17)2, P(p-C6H4C2H4C6F13)3, PPh3 or P(p-C6H4F)3) were prepd. and characterized by spect ...

2010

Why are (NN2)Ni pincer complexes active for alkyl-alkyl coupling: ß-H elimination is kinetically accessible but thermodynamically uphill

Rosario Scopelliti, Anne-Clémence Corminboeuf, Oleg Vechorkin, Xile Hu, Jan Breitenfeld

Isomerization and olefin exchange experiments show that β-H elimination is kinetically viable but thermodynamically unfavorable in [(MeNN2)Ni-alkyl] complexes. The intermediacy of Ni-hydride species was corroborated by a trapping experiment. The alkyl comp ...

American Chemical Society2010

N-Aryl Chromophore Ligands for Bright Europium Luminescence

Jean-Claude Bünzli, Rosario Scopelliti, Svetlana Eliseeva

Sterically hindered N-aryl-benzimidazole pyridine-2-carboxylic acids (aryl = phenyl, 4-biphenyl, 2-naphthyl) readily form homoleptic, neutral, nine-coordinate europium complexes which display efficient sensitized luminescence in solid state and in dichloro ...

American Chemical Society2010

Synthesis and Reactivity of Iron Acyl Complexes Modeling the Active Site of [Fe]-Hydrogenase

Rosario Scopelliti, Xile Hu, Dafa Chen

A [FeIIFeII] dithiolate complex containing acyl and carbonyl ligands was synthesized. The diiron complex reacted with phosphine, cyanide, isocyanide, and CO to give monomeric FeII complexes reproducing the first coordination sphere of the active site of [F ...

2010

An Internal Fluorescent Probe Based on Anthracene to Evaluate Cation-Anion Interactions in Imidazolium Salts

Rosario Scopelliti, Paul Joseph Dyson, Zhaofu Fei, Wee Han Ang, Christian Hartinger, Xuemei Yang

A series of fluorescent imidazolium-based salts contg. the cation [AnCH2MeIm]+ (in which An=anthracene and Im=the imidazolium cation) with Cl-, BF4-, PF6-, SO3CF3-, [N(CN)2]-, [N(SO2CF3)2]-, or PhBF3- anions have been prepd. and characterized. X-ray diffra ...

2010

[Fe]-Hydrogenase Models Featuring Acylmethylpyridinyl Ligands

Rosario Scopelliti, Xile Hu, Dafa Chen

The synthesis, structure, and reactivity of small-molecule models of [Fe]-hydrogenase are described. These models feature the intriguing acylmethylpyridinyl ligands found exclusively in the enzyme. ...

Wiley-VCH Verlag GmbH2010

Isomerization Mechanisms of Stereolabile tris- and bis-Bidentate Octahedral Cobalt(II) Complexes: X-ray Structure and Variable Temperature and Pressure NMR Kinetic Investigation

André Merbach, Lothar Helm, Rosario Scopelliti, Fabrice Riblet

The isomerization dynamics of five labile octahedral Co(II) compounds have been investigated by variable temperature and pressure 1H and 19F NMR spectroscopy in dichloromethane solution. The X-ray crystal structure of the two tris-chelates, [Co(HFA)2bpic] ...

American Chemical Society2010

Rational Design of Highly Cytotoxic η6-Arene β-Diketiminato-Ruthenium Complexes

Rosario Scopelliti, Paul Joseph Dyson, Andrew Douglas Phillips, Alexey Nazarov, Olivier Pierre Zava

A series of ruthenium-benzene complexes with β-diketiminate ligands modified with electron-withdrawing groups were prepd. and characterized by NMR spectroscopy, mass spectrometry, and single-crystal x-ray diffraction. The complexes are stable in air and un ...

American Chemical Society2010

A Well-Defined Iron Catalyst for the Reduction of Bicarbonates and Carbon Dioxide to Formates, Alkyl Formates, and Formamides

Gabor Laurenczy, Rosario Scopelliti, Paul Joseph Dyson, Matthias Beller

Wiley-VCH Verlag GmbH2010

An ester-substituted iridium complex for efficient vacuum-processed organic light-emitting diodes

Philippe Bugnon, Michael Graetzel, Mohammad Khaja Nazeeruddin, Libero Zuppiroli, Rosario Scopelliti, Stéphane Suarez

An orange-red-emitting iridium complex (N958) was prepared, and its photophysical and device-based characteristics were investigated. Despite N958 displaying quite poor photophysical properties in solution (acetonitrile), organic light-emitting diode (OLED ...

2009

An Iron Carbonyl Pyridonate Complex Related to the Active Site of the [Fe]-Hydrogenase (Hmd)

Rosario Scopelliti, Blaise Valentin Obrist, Xile Hu, Dafa Chen

A mononuclear iron bis(carbonyl) pyridonate complex (1), which exhibits several common structural features with the active site of the iron−sulfur cluster-free [Fe]- hydrogenase, was synthesized and characterized. Spectroscopic data of 1 suggests a 2+ oxid ...

2009

Modulating the Near-Infrared Luminescence of Neodymium and Ytterbium Complexes with Tridentate Ligands Based on Benzoxazole-Substituted 8-Hydroxyquinolines

Jean-Claude Bünzli, Rosario Scopelliti, Frédéric Gumy

An improved synthesis of 2-(2′-benzothiazole)- and 2-(2′-benzoxazole)-8-hydroxyquinoline ligands that combine a tridentate N,N,O-chelating unit for metal binding and extended chromophore for light harvesting is developed. The 2-(2′-benzoxazole)-8-hydroxyqu ...

2009

Olefin Cyclopropanation by a Sequential Atom-Transfer Radical Addition and Dechlorination in the Presence of a Ruthenium Catalyst

Kay Severin, Rosario Scopelliti, Katrin Anne Thommes, Gregor Kiefer

Wiley-VCH Verlag GmbH2009

Multifaceted Chemistry of [(Cymene)RuCl2]2 and PCy3

Kay Severin, Rosario Scopelliti, Euro Solari, Sébastien Gauthier

The reaction of (cymene)RuCl2 (1) with PCY3 was investigated using different stoichiometries and reaction conditions. Whereas a mixture of complex 1 and 2 equiv of PCy3 in methanol gave the known adduct [(cymene)Rucl(2)(PCy3)] (3) along with the phosp ...

American Chemical Society2009

Nickel Complexes of a Pincer Amidobis(amine) Ligand: Synthesis, Structure, and Activity in Stoichiometric and Catalytic C—C Bond Forming Reactions of Alkyl Halides

Rosario Scopelliti, Oleg Vechorkin, Xile Hu

NiII complexes of the new pincer amidobis(amine) ligand are described. The Ni chloride complex catalyzes Kumada-Corriu-Tamao coupling of unactivated alkyl halides with alkyl Grignard reagents, as well as double C-C coupling of CH2Cl2 with alkyl Grignard re ...

2009

Organometallic complexes that interconvert between trimeric and monomeric structures as a function of pH and their effect on human cancer and fibroblast cells

Kay Severin, Rosario Scopelliti, Paul Joseph Dyson, Zacharias Immanuel Grote, Wee Han Ang

Organometallic half-sandwich complexes based on ruthenium with aminomethyl-substituted 3-hydroxy-2-pyridone ligands exist in aqueous solution as monomeric O,O′-chelate complexes or trimeric metallamacrocycles depending upon the pH. We hypothesized that adm ...

2009

A Crystallographic Story of Snakes and Ladders: Encapsulated Water Polymers and Rigid Metal Complexes Based on Mono-N-substituted Carboxylate 4,4'-Bipyridine

Rosario Scopelliti, Paul Joseph Dyson, Zhaofu Fei, Wee Han Ang, Andrew Douglas Phillips

A new zwitterionic bidentate ligand was synthesized incorporating a 4,4'-bipyridine core with a carboxylate group as a single building block, specifically designed for the rational construction of supramol. structures (metal-org. frameworks) that are capab ...

2009

Tuning the efficacy of ruthenium(II)-arene (RAPTA) antitumour compounds with fluorinated arene ligands

Rosario Scopelliti, Paul Joseph Dyson, Ursula Röthlisberger, Enrico Marko Tapavicza, Andrew Douglas Phillips, Anna Katherine Renfrew

A series of compounds of general formula [Ru(eta(6)-fluoroarene)(pta)Cl-2] (fluoroarene = C6H5F, C6H5CF3, and 1,4-C6H4CH3F; pta = 1,3,5-triaza-7-phosphatricyclo[3.3.1.1]decane) have been prepared and characterized spectroscopically. Additionally, X-ray dif ...

American Chemical Society2009

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